Table 3.

Estimated coefficients of the predicted second-order polynomial model for the milk clotting activity of commercial calf rennet.

Term	Ewe’s Milk			Goat’s Milk			Cow’s Milk
	Estimates	F Ratio	p-Value	Estimates	F Ratio	p-Value	Estimates	F Ratio	p-Value
Intercept	31,246.16			47,947.18 *			−211,167.38
Linear
T	1508.17	3.59	0.0873	193.76	0.20	0.6669	362.66	1.25	0.3145
EV	−59.52	1.31	0.2791	−22.67	0.56	0.4723	−19.89	0.65	0.4558
pH	−13,742.13	1.62	0.2316	−15,695.82	6.58	0.0282 *	69,645.77	6.49	0.0514
Quadratic
T × T	1.71	0.04	0.8435	5.44	1.43	0.2594	−3.86	2.85	0.1524
EV × EV	0.04	0.97	0.3476	0.01	0.37	0.5579	0.01	0.25	0.6390
pH × pH	1395.31	2.60	0.1378	1411.55	7.59	0.0203 *	−5846.04	6.61	0.0500 *
Interactions
T × EV	−0.55	2.78	0.1262	−0.35	3.53	0.0898	−0.01	0.01	0.9145
T × pH	−187.60	18.96	0.0014 *	−69.72	7.24	0.0227 *	12.30	0.10	0.7672
EV × pH	4.83	2.32	0.1588	3.26	3.01	0.1134	1.39	0.23	0.6505

* Level of significance p < 0.05. EV, volume of coagulant.